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stack.dm
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/* Stack type objects!
* Contains:
* Stacks
* Recipe datum
* Recipe list datum
*/
/*
* Stacks
*/
/obj/item/stack
icon = 'icons/obj/stack_objects.dmi'
gender = PLURAL
max_integrity = 100
/// A list to all recipies this stack item can create.
var/list/datum/stack_recipe/recipes
/// What's the name of just 1 of this stack. You have a stack of leather, but one piece of leather
var/singular_name
/// How much is in this stack?
var/amount = 1
/// How much is allowed in this stack?
// Also see stack recipes initialisation. "max_res_amount" must be equal to this max_amount
var/max_amount = 50
/// If TRUE, this stack is a module used by a cyborg (doesn't run out like normal / etc)
var/is_cyborg = FALSE
/// Related to above. If present, the energy we draw from when using stack items, for cyborgs
var/datum/robot_energy_storage/source
/// Related to above. How much energy it costs from storage to use stack items
var/cost = 1
/// This path and its children should merge with this stack, defaults to src.type
var/merge_type = null
/// The weight class the stack has at amount > 2/3rds max_amount
var/full_w_class = WEIGHT_CLASS_NORMAL
/// Determines whether the item should update it's sprites based on amount.
var/novariants = TRUE
/// List that tells you how much is in a single unit.
var/list/mats_per_unit
/// Datum material type that this stack is made of
var/material_type
/// Does it merge strictly only with its type
var/strict = FALSE
//NOTE: When adding grind_results, the amounts should be for an INDIVIDUAL ITEM - these amounts will be multiplied by the stack size in on_grind()
var/obj/structure/table/tableVariant // we tables now (stores table variant to be built from this stack)
var/mats_per_stack = 0
/// Amount of matter for RCD
var/matter_amount = 0
/obj/item/stack/on_grind()
for(var/i in 1 to grind_results.len) //This should only call if it's ground, so no need to check if grind_results exists
grind_results[grind_results[i]] *= get_amount() //Gets the key at position i, then the reagent amount of that key, then multiplies it by stack size
/obj/item/stack/grind_requirements()
if(is_cyborg)
to_chat(usr, span_danger("[src] is electronically synthesized in your chassis and can't be ground up!"))
return
return TRUE
/obj/item/stack/Initialize(mapload, new_amount, merge = TRUE, list/mat_override=null, mat_amt=1)
if(new_amount != null)
amount = new_amount
while(amount > max_amount)
amount -= max_amount
new type(loc, max_amount, FALSE)
if(!merge_type)
merge_type = type
// if(LAZYLEN(mat_override))
// set_mats_per_unit(mat_override, mat_amt)
// else if(LAZYLEN(mats_per_unit))
// set_mats_per_unit(mats_per_unit, 1)
// else if(LAZYLEN(custom_materials))
// set_mats_per_unit(custom_materials, amount ? 1/amount : 1)
. = ..()
if(merge)
for(var/obj/item/stack/item_stack in loc)
if(item_stack == src)
continue
if(can_merge(item_stack))
INVOKE_ASYNC(src, PROC_REF(merge_without_del), item_stack)
if(is_zero_amount(delete_if_zero = FALSE))
return INITIALIZE_HINT_QDEL
// recipes = get_main_recipes().Copy()
// if(material_type)
// var/datum/material/what_are_we_made_of = GET_MATERIAL_REF(material_type) //First/main material
// for(var/category in what_are_we_made_of.categories)
// switch(category)
// if(MAT_CATEGORY_BASE_RECIPES)
// recipes |= SSmaterials.base_stack_recipes.Copy()
// if(MAT_CATEGORY_RIGID)
// recipes |= SSmaterials.rigid_stack_recipes.Copy()
update_weight()
update_appearance()
var/static/list/loc_connections = list(
COMSIG_ATOM_ENTERED = PROC_REF(on_movable_entered_occupied_turf),
)
AddElement(/datum/element/connect_loc, loc_connections)
/** Sets the amount of materials per unit for this stack.
*
* Arguments:
* - [mats][/list]: The value to set the mats per unit to.
* - multiplier: The amount to multiply the mats per unit by. Defaults to 1.
*/
/obj/item/stack/proc/set_mats_per_unit(list/mats, multiplier=1)
//mats_per_unit = SSmaterials.FindOrCreateMaterialCombo(mats, multiplier)
update_custom_materials()
/** Updates the custom materials list of this stack.
*/
/obj/item/stack/proc/update_custom_materials()
set_custom_materials(mats_per_unit, amount, is_update=TRUE)
/**
* Override to make things like metalgen accurately set custom materials
*/
/obj/item/stack/set_custom_materials(list/materials, multiplier=1, is_update=FALSE)
return is_update ? ..() : set_mats_per_unit(materials, multiplier/(amount || 1))
/obj/item/stack/proc/update_weight()
if(amount <= (max_amount * (1/3)))
w_class = clamp(full_w_class-2, WEIGHT_CLASS_TINY, full_w_class)
else if (amount <= (max_amount * (2/3)))
w_class = clamp(full_w_class-1, WEIGHT_CLASS_TINY, full_w_class)
else
w_class = full_w_class
/obj/item/stack/update_icon_state()
. = ..()
if(novariants)
return
if(amount <= (max_amount * (1/3)))
icon_state = initial(icon_state)
else if (amount <= (max_amount * (2/3)))
icon_state = "[initial(icon_state)]_2"
else
icon_state = "[initial(icon_state)]_3"
/obj/item/stack/examine(mob/user)
. = ..()
if (is_cyborg)
if(singular_name)
. += "There is enough energy for [get_amount()] [singular_name]\s."
else
. += "There is enough energy for [get_amount()]."
return
if(singular_name)
if(get_amount()>1)
. += "There are [get_amount()] [singular_name]\s in the stack."
else
. += "There is [get_amount()] [singular_name] in the stack."
else if(get_amount()>1)
. += "There are [get_amount()] in the stack."
else
. += "There is [get_amount()] in the stack."
. += span_notice("Alt-click to take a custom amount.")
/obj/item/stack/proc/get_amount()
if(is_cyborg)
. = round(source?.energy / cost)
else
. = (amount)
/**
* Builds all recipes in a given recipe list and returns an association list containing them
*
* Arguments:
* * recipe_to_iterate - The list of recipes we are using to build recipes
*/
/obj/item/stack/proc/recursively_build_recipes(list/recipe_to_iterate)
var/list/L = list()
for(var/recipe in recipe_to_iterate)
if(istype(recipe, /datum/stack_recipe_list))
var/datum/stack_recipe_list/R = recipe
L["[R.title]"] = recursively_build_recipes(R.recipes)
if(istype(recipe, /datum/stack_recipe))
var/datum/stack_recipe/R = recipe
L["[R.title]"] = build_recipe(R)
return L
/**
* Returns a list of properties of a given recipe
*
* Arguments:
* * R - The stack recipe we are using to get a list of properties
*/
/obj/item/stack/proc/build_recipe(datum/stack_recipe/R)
return list(
"res_amount" = R.res_amount,
"max_res_amount" = R.max_res_amount,
"req_amount" = R.req_amount,
"ref" = "\ref[R]",
)
/**
* Checks if the recipe is valid to be used
*
* Arguments:
* * R - The stack recipe we are checking if it is valid
* * recipe_list - The list of recipes we are using to check the given recipe
*/
/obj/item/stack/proc/is_valid_recipe(datum/stack_recipe/R, list/recipe_list)
for(var/S in recipe_list)
if(S == R)
return TRUE
if(istype(S, /datum/stack_recipe_list))
var/datum/stack_recipe_list/L = S
if(is_valid_recipe(R, L.recipes))
return TRUE
return FALSE
/obj/item/stack/attack_self(mob/user)
interact(user)
/obj/item/stack/interact(mob/user)
ui_interact(user)
/obj/item/stack/ui_state(mob/user)
return GLOB.hands_state
/obj/item/stack/ui_interact(mob/user, datum/tgui/ui)
ui = SStgui.try_update_ui(user, src, ui)
if(!ui)
ui = new(user, src, "StackCrafting", name)
ui.open()
/obj/item/stack/ui_data(mob/user)
var/list/data = list()
data["amount"] = get_amount()
return data
/obj/item/stack/ui_static_data(mob/user)
var/list/data = list()
data["recipes"] = recursively_build_recipes(recipes)
return data
/obj/item/stack/ui_act(action, params)
. = ..()
if(.)
return
switch(action)
if("make")
if(get_amount() < 1 && !is_cyborg)
qdel(src)
return
var/datum/stack_recipe/R = locate(params["ref"])
if(!is_valid_recipe(R, recipes)) //href exploit protection
return
var/multiplier = text2num(params["multiplier"])
if(!multiplier || (multiplier <= 0)) //href exploit protection
return
if(!building_checks(R, multiplier))
return
if(R.time)
var/adjusted_time = 0
usr.visible_message("<span class='notice'>[usr] starts building \a [R.title].</span>", "<span class='notice'>You start building \a [R.title]...</span>")
adjusted_time = R.time
if(!do_after(usr, adjusted_time, usr))
return
if(!building_checks(R, multiplier))
return
var/obj/O
if(R.max_res_amount > 1) //Is it a stack?
O = new R.result_type(usr.drop_location(), R.res_amount * multiplier)
else if(ispath(R.result_type, /turf))
var/turf/T = usr.drop_location()
if(!isturf(T))
return
T.place_on_top(R.result_type, flags = CHANGETURF_INHERIT_AIR)
else
O = new R.result_type(usr.drop_location())
if(O)
O.setDir(usr.dir)
use(R.req_amount * multiplier)
if(istype(O, /obj/structure/windoor_assembly))
var/obj/structure/windoor_assembly/W = O
W.ini_dir = W.dir
else if(istype(O, /obj/structure/window))
var/obj/structure/window/W = O
W.ini_dir = W.dir
if(QDELETED(O))
return //It's a stack and has already been merged
if(isitem(O))
usr.put_in_hands(O)
O.add_fingerprint(usr)
//BubbleWrap - so newly formed boxes are empty
if(istype(O, /obj/item/storage))
for (var/obj/item/I in O)
qdel(I)
//BubbleWrap END
return TRUE
/obj/item/stack/vv_edit_var(vname, vval)
if(vname == NAMEOF(src, amount))
add(clamp(vval, 1-amount, max_amount - amount)) //there must always be one.
return TRUE
else if(vname == NAMEOF(src, max_amount))
max_amount = max(vval, 1)
add((max_amount < amount) ? (max_amount - amount) : 0) //update icon, weight, ect
return TRUE
return ..()
/obj/item/stack/proc/building_checks(datum/stack_recipe/R, multiplier)
if (get_amount() < R.req_amount*multiplier)
if (R.req_amount*multiplier>1)
to_chat(usr, span_warning("You haven't got enough [src] to build \the [R.req_amount*multiplier] [R.title]\s!"))
else
to_chat(usr, span_warning("You haven't got enough [src] to build \the [R.title]!"))
return FALSE
var/turf/T = get_turf(usr)
var/obj/D = R.result_type
if(R.window_checks && !valid_window_location(T, initial(D.dir) == FULLTILE_WINDOW_DIR ? FULLTILE_WINDOW_DIR : usr.dir))
to_chat(usr, span_warning("The [R.title] won't fit here!"))
return FALSE
if(R.one_per_turf && (locate(R.result_type) in T))
to_chat(usr, span_warning("There is another [R.title] here!"))
return FALSE
if(R.on_floor)
if(!isfloorturf(T))
to_chat(usr, span_warning("\The [R.title] must be constructed on the floor!"))
return FALSE
for(var/obj/AM in T)
if(istype(AM,/obj/structure/grille))
continue
if(istype(AM,/obj/structure/table))
continue
if(istype(AM,/obj/structure/window))
var/obj/structure/window/W = AM
if(!W.fulltile)
continue
if(AM.density)
to_chat(usr, span_warning("Theres a [AM.name] here. You cant make a [R.title] here!"))
return FALSE
if(R.placement_checks)
switch(R.placement_checks)
if(STACK_CHECK_CARDINALS)
var/turf/step
for(var/direction in GLOB.cardinals)
step = get_step(T, direction)
if(locate(R.result_type) in step)
to_chat(usr, span_warning("\The [R.title] must not be built directly adjacent to another!"))
return FALSE
if(STACK_CHECK_ADJACENT)
if(locate(R.result_type) in range(1, T))
to_chat(usr, span_warning("\The [R.title] must be constructed at least one tile away from others of its type!"))
return FALSE
return TRUE
/obj/item/stack/use(used, transfer = FALSE, check = TRUE) // return 0 = borked; return 1 = had enough
if(check && is_zero_amount(delete_if_zero = TRUE))
return FALSE
if (is_cyborg)
return source.use_charge(used * cost)
if (amount < used)
return FALSE
amount -= used
if(check && is_zero_amount(delete_if_zero = TRUE))
return TRUE
if(length(mats_per_unit))
update_custom_materials()
update_appearance()
update_weight()
return TRUE
/obj/item/stack/tool_use_check(mob/living/user, amount)
if(get_amount() < amount)
if(singular_name)
if(amount > 1)
to_chat(user, span_warning("You need at least [amount] [singular_name]\s to do this!"))
else
to_chat(user, span_warning("You need at least [amount] [singular_name] to do this!"))
else
to_chat(user, span_warning("You need at least [amount] to do this!"))
return FALSE
return TRUE
/**
* Returns TRUE if the item stack is the equivalent of a 0 amount item.
*
* Also deletes the item if delete_if_zero is TRUE and the stack does not have
* is_cyborg set to true.
*/
/obj/item/stack/proc/is_zero_amount(delete_if_zero = TRUE)
if(is_cyborg)
return source.energy < cost
if(amount < 1)
if(delete_if_zero)
qdel(src)
return TRUE
return FALSE
/** Adds some number of units to this stack.
*
* Arguments:
* - _amount: The number of units to add to this stack.
*/
/obj/item/stack/proc/add(_amount)
if(is_cyborg)
source.add_charge(_amount * cost)
else
amount += _amount
if(length(mats_per_unit))
update_custom_materials()
update_appearance()
update_weight()
/** Checks whether this stack can merge itself into another stack.
*
* Arguments:
* - [check][/obj/item/stack]: The stack to check for mergeability.
* - [inhand][boolean]: Whether or not the stack to check should act like it's in a mob's hand.
*/
/obj/item/stack/proc/can_merge(obj/item/stack/check, inhand = FALSE)
// We don't only use istype here, since that will match subtypes, and stack things that shouldn't stack
if(!istype(check, merge_type) || check.merge_type != merge_type)
return FALSE
if(mats_per_unit ~! check.mats_per_unit) // ~! in case of lists this operator checks only keys, but not values
return FALSE
if(is_cyborg) // No merging cyborg stacks into other stacks
return FALSE
if(ismob(loc) && !inhand) // no merging with items that are on the mob
return FALSE
if(istype(loc, /obj/machinery)) // no merging items in machines that aren't both in componentparts
var/obj/machinery/machine = loc
if(!(src in machine.component_parts) || !(check in machine.component_parts))
return FALSE
if(SEND_SIGNAL(src, COMSIG_STACK_CAN_MERGE, check, inhand) & CANCEL_STACK_MERGE)
return FALSE
return TRUE
/**
* Merges as much of src into target_stack as possible. If present, the limit arg overrides target_stack.max_amount for transfer.
*
* This calls use() without check = FALSE, preventing the item from qdeling itself if it reaches 0 stack size.
*
* As a result, this proc can leave behind a 0 amount stack.
*/
/obj/item/stack/proc/merge_without_del(obj/item/stack/target_stack, limit)
// Cover edge cases where multiple stacks are being merged together and haven't been deleted properly.
// Also cover edge case where a stack is being merged into itself, which is supposedly possible.
if(QDELETED(target_stack))
CRASH("Stack merge attempted on qdeleted target stack.")
if(QDELETED(src))
CRASH("Stack merge attempted on qdeleted source stack.")
if(target_stack == src)
CRASH("Stack attempted to merge into itself.")
var/transfer = get_amount()
if(target_stack.is_cyborg)
transfer = min(transfer, round((target_stack.source.max_energy - target_stack.source.energy) / target_stack.cost))
else
transfer = min(transfer, (limit ? limit : target_stack.max_amount) - target_stack.amount)
if(pulledby)
pulledby.start_pulling(target_stack)
target_stack.copy_evidences(src)
use(transfer, transfer = TRUE, check = FALSE)
target_stack.add(transfer)
if(target_stack.mats_per_unit != mats_per_unit) // We get the average value of mats_per_unit between two stacks getting merged
var/list/temp_mats_list = list() // mats_per_unit is passed by ref into this coil, and that same ref is used in other places. If we didn't make a new list here we'd end up contaminating those other places, which leads to batshit behavior
for(var/mat_type in target_stack.mats_per_unit)
temp_mats_list[mat_type] = (target_stack.mats_per_unit[mat_type] * (target_stack.amount - transfer) + mats_per_unit[mat_type] * transfer) / target_stack.amount
target_stack.mats_per_unit = temp_mats_list
return transfer
/**
* Merges as much of src into target_stack as possible. If present, the limit arg overrides target_stack.max_amount for transfer.
*
* This proc deletes src if the remaining amount after the transfer is 0.
*/
/obj/item/stack/proc/merge(obj/item/stack/target_stack, limit)
. = merge_without_del(target_stack, limit)
is_zero_amount(delete_if_zero = TRUE)
// Signal handler for connect_loc element. Called when a movable enters the turf we're currently occupying. Merges if possible.
/obj/item/stack/proc/on_movable_entered_occupied_turf(datum/source, atom/movable/arrived)
SIGNAL_HANDLER
// Edge case. This signal will also be sent when src has entered the turf. Don't want to merge with ourselves.
if(arrived == src)
return
if(!arrived.throwing && can_merge(arrived))
INVOKE_ASYNC(src, PROC_REF(merge), arrived)
/obj/item/stack/hitby(atom/movable/hitting, skipcatch, hitpush, blocked, datum/thrownthing/throwingdatum)
if(can_merge(hitting, inhand = TRUE))
merge(hitting)
. = ..()
//ATTACK HAND IGNORING PARENT RETURN VALUE
/obj/item/stack/attack_hand(mob/user)
if(user.get_inactive_held_item() == src)
if(is_zero_amount(delete_if_zero = TRUE))
return
return change_stack(user,1)
else
. = ..()
/obj/item/stack/AltClick(mob/living/user)
attack_hand_secondary(user)
/obj/item/stack/attack_hand_secondary(mob/user, modifiers)
. = ..()
if(. == SECONDARY_ATTACK_CANCEL_ATTACK_CHAIN)
return
if(isturf(loc)) // to prevent people that are alt clicking a tile to see its content from getting undesidered pop ups
return
if(!istype(user) || !user.canUseTopic(src, BE_CLOSE, ismonkey(user)))
return
if(is_cyborg)
return
else
if(is_zero_amount(delete_if_zero = TRUE))
return
. = SECONDARY_ATTACK_CANCEL_ATTACK_CHAIN
//get amount from user
var/max = get_amount()
var/stackmaterial = round(input(user,"How many sheets do you wish to take out of this stack? (Maximum [max])") as null|num)
max = get_amount()
stackmaterial = min(max, stackmaterial)
if(stackmaterial == null || stackmaterial <= 0 || !user.canUseTopic(src, BE_CLOSE, ismonkey(user)))
return
else
change_stack(user, stackmaterial)
to_chat(user, span_notice("You take [stackmaterial] sheets out of the stack."))
/obj/item/stack/proc/change_stack(mob/user, amount)
if(!use(amount, TRUE, FALSE))
return FALSE
var/obj/item/stack/F = new type(user? user : drop_location(), amount, FALSE)
. = F
F.copy_evidences(src)
if(user)
if(!user.put_in_hands(F, merge_stacks = FALSE))
F.forceMove(user.drop_location())
add_fingerprint(user)
F.add_fingerprint(user)
is_zero_amount(delete_if_zero = TRUE)
/obj/item/stack/attackby(obj/item/W, mob/user, params)
if(strict && W.type == merge_type)
var/obj/item/stack/S = W
if(merge(S))
to_chat(user, span_notice("Your [S.name] stack now contains [S.get_amount()] [S.singular_name]\s."))
else if(!strict && istype(W, merge_type))
var/obj/item/stack/S = W
if(merge(S))
to_chat(user, span_notice("Your [S.name] stack now contains [S.get_amount()] [S.singular_name]\s."))
else
. = ..()
/obj/item/stack/proc/copy_evidences(obj/item/stack/from)
add_blood_DNA(from.return_blood_DNA())
add_fingerprint_list(from.return_fingerprints())
add_hiddenprint_list(from.return_hiddenprints())
fingerprintslast = from.fingerprintslast
//TODO bloody overlay
/obj/item/stack/microwave_act(obj/machinery/microwave/M)
if(istype(M) && M.dirty < 100)
M.dirty += amount
/*
* Recipe datum
*/
/datum/stack_recipe
var/title = "ERROR"
var/result_type
var/req_amount = 1
var/res_amount = 1
var/max_res_amount = 1
var/time = 0
var/one_per_turf = FALSE
var/on_floor = FALSE
var/window_checks = FALSE
var/placement_checks = FALSE
/datum/stack_recipe/New(title, result_type, req_amount = 1, res_amount = 1, max_res_amount = 1,time = 0, one_per_turf = FALSE, on_floor = FALSE, window_checks = FALSE, placement_checks = FALSE )
src.title = title
src.result_type = result_type
src.req_amount = req_amount
src.res_amount = res_amount
src.max_res_amount = max_res_amount
src.time = time
src.one_per_turf = one_per_turf
src.on_floor = on_floor
src.window_checks = window_checks
src.placement_checks = placement_checks
/*
* Recipe list datum
*/
/datum/stack_recipe_list
var/title = "ERROR"
var/list/recipes
/datum/stack_recipe_list/New(title, recipes)
src.title = title
src.recipes = recipes